An electric power company charges high volume customers a lower price for electricity than low volume customers. This is an example of: O second-degree price discrimination intertemporal price discrimination O first-degree price discrimination O third-degree price discriminationIn the recent Congressional debates about repealing and replacing Obamacare, one proposal would charge high-income patients more than low-income patients for medical insurance. This pricing scheme represents a form of: second-degree price discrimination O first-degree price discrimination O third-degree price discrimination O pricing at each consumer's reservation priceSuppose that the MC of an additional John Deere tractor produced in the USA is the same whether the tractor is used for domestic use or exported abroad. If the price elasticity for tractors is larger in Mexico than in the USA, which of the following is correct? O more tractors will be sold in USA than in Mexico O the firm will sell tractors at a lower price in Mexico than in the USA O the firm will sell tractors at a lower price in the USA than in Mexico more tractors will be sold in Mexico than in the USAWhen a monopolist engages in perfect price discrimination: O the demand and MR curves are identical O the MR curve lies below the demand curve O MC becomes zero O MR becomes horizontal